744871004

Arrays, Signal Transformers Overview

The Würth Elektronik WE-DD 744871004 is a shielded coupled inductor featuring two coils with a parallel inductance of 4.7 µH and ±20% tolerance. It operates within a temperature range of -40°C to +125°C, utilizing an SMD/SMT mounting style. The component has a maximum DC resistance of 28 mOhms, a parallel RMS current rating of 3A, and a parallel saturation current of 8A.

Arrays, Signal Transformers Feature Summary

• Shielded construction for reduced electromagnetic interference
• Dual-coil design optimized for SEPIC converter applications
• High saturation current capability relative to size

Arrays, Signal Transformers Applications

• SEPIC (Single-Ended Primary Inductor Converter) circuits
• DC-DC power conversion modules
• Battery charger systems

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix against official Wurth Elektronik documentation to confirm electrical characteristics. Ensure compatibility with existing PCB footprints and thermal management requirements. Cross-reference datasheet parameters such as DCR and current ratings with system specifications before procurement.

Arrays, Signal Transformers Selection Notes

Select this component when designing SEPIC topologies requiring compact, shielded coupled inductors. Evaluate the 4.7 µH parallel inductance and 8A saturation current against peak load requirements. Confirm that the 1260 package dimensions fit the mechanical constraints of the target assembly.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of power chokes from Würth Elektronik. These components are specifically engineered for high-efficiency power supply designs, offering integrated shielding and precise magnetic coupling to support complex converter architectures like SEPIC.

Arrays, Signal Transformers Replacement Considerations

Consult official Wurth Elektronik substitution guides or distributor cross-reference tools for verified equivalents. Do not assume functional interchangeability with generic coupled inductors without validating pinout, inductance, and current ratings.